In 2015, German Chancellor Angela Merkel decided to allow over a million asylum seekers to cross the border into Germany. One key concern at the time was that her decision would signal an open-door policy to aspiring migrants worldwide – thus, increasing migration to Germany in the long-term....

The European Commission is currently finalizing its proposed New Pact on Migration and Asylum to re-start the debate on how to reform the common European asylum system and manage immigration from non-EU countries. One prominent concern is the 'external dimension': jointly managing migration to...